//===-- llvm/Support/ELF.h - ELF constants and data structures --*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This header contains common, non-processor-specific data structures and
// constants for the ELF file format.
//
// The details of the ELF32 bits in this file are largely based on the Tool
// Interface Standard (TIS) Executable and Linking Format (ELF) Specification
// Version 1.2, May 1995. The ELF64 stuff is based on ELF-64 Object File Format
// Version 1.5, Draft 2, May 1998 as well as OpenBSD header files.
//
//===----------------------------------------------------------------------===//

#ifndef _ELF_H_
#define _ELF_H_

#include "types.h"

typedef u32 Elf32_Addr; // Program address
typedef u32 Elf32_Off;  // File offset
typedef u16 Elf32_Half;
typedef u32 Elf32_Word;
typedef s32 Elf32_Sword;

typedef u64 Elf64_Addr;
typedef u64 Elf64_Off;
typedef u16 Elf64_Half;
typedef u32 Elf64_Word;
typedef s32 Elf64_Sword;
typedef u64 Elf64_Xword;
typedef s64 Elf64_Sxword;

// Object file magic string.
static const char ElfMagic[] = {0x7f, 'E', 'L', 'F'};

// e_ident size and indices.
enum
{
	EI_MAG0 = 0,          // File identification index.
	EI_MAG1 = 1,          // File identification index.
	EI_MAG2 = 2,          // File identification index.
	EI_MAG3 = 3,          // File identification index.
	EI_CLASS = 4,          // File class.
	EI_DATA = 5,          // Data encoding.
	EI_VERSION = 6,          // File version.
	EI_OSABI = 7,          // OS/ABI identification.
	EI_ABIVERSION = 8,          // ABI version.
	EI_PAD = 9,          // Start of padding bytes.
	EI_NIDENT = 16          // Number of bytes in e_ident.
};

struct Elf32_Ehdr
{
	unsigned char e_ident[EI_NIDENT]; // ELF Identification bytes
	Elf32_Half e_type;      // Type of file (see ET_* below)
	Elf32_Half e_machine;   // Required architecture for this file (see EM_*)
	Elf32_Word e_version;   // Must be equal to 1
	Elf32_Addr e_entry;     // Address to jump to in order to start program
	Elf32_Off e_phoff;     // Program header table's file offset, in bytes
	Elf32_Off e_shoff;     // Section header table's file offset, in bytes
	Elf32_Word e_flags;     // Processor-specific flags
	Elf32_Half e_ehsize;    // Size of ELF header, in bytes
	Elf32_Half e_phentsize; // Size of an entry in the program header table
	Elf32_Half e_phnum;     // Number of entries in the program header table
	Elf32_Half e_shentsize; // Size of an entry in the section header table
	Elf32_Half e_shnum;     // Number of entries in the section header table
	Elf32_Half e_shstrndx;  // Sect hdr table index of sect name string table
};

// 64-bit ELF header. Fields are the same as for ELF32, but with different
// types (see above).
struct Elf64_Ehdr
{
	unsigned char e_ident[EI_NIDENT];
	Elf64_Half e_type;
	Elf64_Half e_machine;
	Elf64_Word e_version;
	Elf64_Addr e_entry;
	Elf64_Off e_phoff;
	Elf64_Off e_shoff;
	Elf64_Word e_flags;
	Elf64_Half e_ehsize;
	Elf64_Half e_phentsize;
	Elf64_Half e_phnum;
	Elf64_Half e_shentsize;
	Elf64_Half e_shnum;
	Elf64_Half e_shstrndx;
};

// File types
enum
{
	ET_NONE = 0,      // No file type
	ET_REL = 1,      // Relocatable file
	ET_EXEC = 2,      // Executable file
	ET_DYN = 3,      // Shared object file
	ET_CORE = 4,      // Core file
	ET_LOPROC = 0xff00, // Beginning of processor-specific codes
	ET_HIPROC = 0xffff  // Processor-specific
};

// Versioning
enum
{
	EV_NONE = 0,
	EV_CURRENT = 1
};

// Machine architectures
enum
{
	EM_NONE = 0, // No machine
	EM_M32 = 1, // AT&T WE 32100
	EM_SPARC = 2, // SPARC
	EM_386 = 3, // Intel 386
	EM_68K = 4, // Motorola 68000
	EM_88K = 5, // Motorola 88000
	EM_486 = 6, // Intel 486 (deprecated)
	EM_860 = 7, // Intel 80860
	EM_MIPS = 8, // MIPS R3000
	EM_S370 = 9, // IBM System/370
	EM_MIPS_RS3_LE = 10, // MIPS RS3000 Little-endian
	EM_PARISC = 15, // Hewlett-Packard PA-RISC
	EM_VPP500 = 17, // Fujitsu VPP500
	EM_SPARC32PLUS = 18, // Enhanced instruction set SPARC
	EM_960 = 19, // Intel 80960
	EM_PPC = 20, // PowerPC
	EM_PPC64 = 21, // PowerPC64
	EM_S390 = 22, // IBM System/390
	EM_SPU = 23, // IBM SPU/SPC
	EM_V800 = 36, // NEC V800
	EM_FR20 = 37, // Fujitsu FR20
	EM_RH32 = 38, // TRW RH-32
	EM_RCE = 39, // Motorola RCE
	EM_ARM = 40, // ARM
	EM_ALPHA = 41, // DEC Alpha
	EM_SH = 42, // Hitachi SH
	EM_SPARCV9 = 43, // SPARC V9
	EM_TRICORE = 44, // Siemens TriCore
	EM_ARC = 45, // Argonaut RISC Core
	EM_H8_300 = 46, // Hitachi H8/300
	EM_H8_300H = 47, // Hitachi H8/300H
	EM_H8S = 48, // Hitachi H8S
	EM_H8_500 = 49, // Hitachi H8/500
	EM_IA_64 = 50, // Intel IA-64 processor architecture
	EM_MIPS_X = 51, // Stanford MIPS-X
	EM_COLDFIRE = 52, // Motorola ColdFire
	EM_68HC12 = 53, // Motorola M68HC12
	EM_MMA = 54, // Fujitsu MMA Multimedia Accelerator
	EM_PCP = 55, // Siemens PCP
	EM_NCPU = 56, // Sony nCPU embedded RISC processor
	EM_NDR1 = 57, // Denso NDR1 microprocessor
	EM_STARCORE = 58, // Motorola Star*Core processor
	EM_ME16 = 59, // Toyota ME16 processor
	EM_ST100 = 60, // STMicroelectronics ST100 processor
	EM_TINYJ = 61, // Advanced Logic Corp. TinyJ embedded processor family
	EM_X86_64 = 62, // AMD x86-64 architecture
	EM_PDSP = 63, // Sony DSP Processor
	EM_PDP10 = 64, // Digital Equipment Corp. PDP-10
	EM_PDP11 = 65, // Digital Equipment Corp. PDP-11
	EM_FX66 = 66, // Siemens FX66 microcontroller
	EM_ST9PLUS = 67, // STMicroelectronics ST9+ 8/16 bit microcontroller
	EM_ST7 = 68, // STMicroelectronics ST7 8-bit microcontroller
	EM_68HC16 = 69, // Motorola MC68HC16 Microcontroller
	EM_68HC11 = 70, // Motorola MC68HC11 Microcontroller
	EM_68HC08 = 71, // Motorola MC68HC08 Microcontroller
	EM_68HC05 = 72, // Motorola MC68HC05 Microcontroller
	EM_SVX = 73, // Silicon Graphics SVx
	EM_ST19 = 74, // STMicroelectronics ST19 8-bit microcontroller
	EM_VAX = 75, // Digital VAX
	EM_CRIS = 76, // Axis Communications 32-bit embedded processor
	EM_JAVELIN = 77, // Infineon Technologies 32-bit embedded processor
	EM_FIREPATH = 78, // Element 14 64-bit DSP Processor
	EM_ZSP = 79, // LSI Logic 16-bit DSP Processor
	EM_MMIX = 80, // Donald Knuth's educational 64-bit processor
	EM_HUANY = 81, // Harvard University machine-independent object files
	EM_PRISM = 82, // SiTera Prism
	EM_AVR = 83, // Atmel AVR 8-bit microcontroller
	EM_FR30 = 84, // Fujitsu FR30
	EM_D10V = 85, // Mitsubishi D10V
	EM_D30V = 86, // Mitsubishi D30V
	EM_V850 = 87, // NEC v850
	EM_M32R = 88, // Mitsubishi M32R
	EM_MN10300 = 89, // Matsushita MN10300
	EM_MN10200 = 90, // Matsushita MN10200
	EM_PJ = 91, // picoJava
	EM_OPENRISC = 92, // OpenRISC 32-bit embedded processor
	EM_ARC_COMPACT = 93, // ARC International ARCompact processor (old
	// spelling/synonym: EM_ARC_A5)
		EM_XTENSA = 94, // Tensilica Xtensa Architecture
	EM_VIDEOCORE = 95, // Alphamosaic VideoCore processor
	EM_TMM_GPP = 96, // Thompson Multimedia General Purpose Processor
	EM_NS32K = 97, // National Semiconductor 32000 series
	EM_TPC = 98, // Tenor Network TPC processor
	EM_SNP1K = 99, // Trebia SNP 1000 processor
	EM_ST200 = 100, // STMicroelectronics (www.st.com) ST200
	EM_IP2K = 101, // Ubicom IP2xxx microcontroller family
	EM_MAX = 102, // MAX Processor
	EM_CR = 103, // National Semiconductor CompactRISC microprocessor
	EM_F2MC16 = 104, // Fujitsu F2MC16
	EM_MSP430 = 105, // Texas Instruments embedded microcontroller msp430
	EM_BLACKFIN = 106, // Analog Devices Blackfin (DSP) processor
	EM_SE_C33 = 107, // S1C33 Family of Seiko Epson processors
	EM_SEP = 108, // Sharp embedded microprocessor
	EM_ARCA = 109, // Arca RISC Microprocessor
	EM_UNICORE = 110, // Microprocessor series from PKU-Unity Ltd. and MPRC
	// of Peking University
		EM_EXCESS = 111, // eXcess: 16/32/64-bit configurable embedded CPU
	EM_DXP = 112, // Icera Semiconductor Inc. Deep Execution Processor
	EM_ALTERA_NIOS2 = 113, // Altera Nios II soft-core processor
	EM_CRX = 114, // National Semiconductor CompactRISC CRX
	EM_XGATE = 115, // Motorola XGATE embedded processor
	EM_C166 = 116, // Infineon C16x/XC16x processor
	EM_M16C = 117, // Renesas M16C series microprocessors
	EM_DSPIC30F = 118, // Microchip Technology dsPIC30F Digital Signal
	// Controller
		EM_CE = 119, // Freescale Communication Engine RISC core
	EM_M32C = 120, // Renesas M32C series microprocessors
	EM_TSK3000 = 131, // Altium TSK3000 core
	EM_RS08 = 132, // Freescale RS08 embedded processor
	EM_SHARC = 133, // Analog Devices SHARC family of 32-bit DSP
	// processors
		EM_ECOG2 = 134, // Cyan Technology eCOG2 microprocessor
	EM_SCORE7 = 135, // Sunplus S+core7 RISC processor
	EM_DSP24 = 136, // New Japan Radio (NJR) 24-bit DSP Processor
	EM_VIDEOCORE3 = 137, // Broadcom VideoCore III processor
	EM_LATTICEMICO32 = 138, // RISC processor for Lattice FPGA architecture
	EM_SE_C17 = 139, // Seiko Epson C17 family
	EM_TI_C6000 = 140, // The Texas Instruments TMS320C6000 DSP family
	EM_TI_C2000 = 141, // The Texas Instruments TMS320C2000 DSP family
	EM_TI_C5500 = 142, // The Texas Instruments TMS320C55x DSP family
	EM_MMDSP_PLUS = 160, // STMicroelectronics 64bit VLIW Data Signal Processor
	EM_CYPRESS_M8C = 161, // Cypress M8C microprocessor
	EM_R32C = 162, // Renesas R32C series microprocessors
	EM_TRIMEDIA = 163, // NXP Semiconductors TriMedia architecture family
	EM_HEXAGON = 164, // Qualcomm Hexagon processor
	EM_8051 = 165, // Intel 8051 and variants
	EM_STXP7X = 166, // STMicroelectronics STxP7x family of configurable
	// and extensible RISC processors
		EM_NDS32 = 167, // Andes Technology compact code size embedded RISC
	// processor family
		EM_ECOG1 = 168, // Cyan Technology eCOG1X family
	EM_ECOG1X = 168, // Cyan Technology eCOG1X family
	EM_MAXQ30 = 169, // Dallas Semiconductor MAXQ30 Core Micro-controllers
	EM_XIMO16 = 170, // New Japan Radio (NJR) 16-bit DSP Processor
	EM_MANIK = 171, // M2000 Reconfigurable RISC Microprocessor
	EM_CRAYNV2 = 172, // Cray Inc. NV2 vector architecture
	EM_RX = 173, // Renesas RX family
	EM_METAG = 174, // Imagination Technologies META processor
	// architecture
		EM_MCST_ELBRUS = 175, // MCST Elbrus general purpose hardware architecture
	EM_ECOG16 = 176, // Cyan Technology eCOG16 family
	EM_CR16 = 177, // National Semiconductor CompactRISC CR16 16-bit
	// microprocessor
		EM_ETPU = 178, // Freescale Extended Time Processing Unit
	EM_SLE9X = 179, // Infineon Technologies SLE9X core
	EM_L10M = 180, // Intel L10M
	EM_K10M = 181, // Intel K10M
	EM_AARCH64 = 183, // ARM AArch64
	EM_AVR32 = 185, // Atmel Corporation 32-bit microprocessor family
	EM_STM8 = 186, // STMicroeletronics STM8 8-bit microcontroller
	EM_TILE64 = 187, // Tilera TILE64 multicore architecture family
	EM_TILEPRO = 188, // Tilera TILEPro multicore architecture family
	EM_CUDA = 190, // NVIDIA CUDA architecture
	EM_TILEGX = 191, // Tilera TILE-Gx multicore architecture family
	EM_CLOUDSHIELD = 192, // CloudShield architecture family
	EM_COREA_1ST = 193, // KIPO-KAIST Core-A 1st generation processor family
	EM_COREA_2ND = 194, // KIPO-KAIST Core-A 2nd generation processor family
	EM_ARC_COMPACT2 = 195, // Synopsys ARCompact V2
	EM_OPEN8 = 196, // Open8 8-bit RISC soft processor core
	EM_RL78 = 197, // Renesas RL78 family
	EM_VIDEOCORE5 = 198, // Broadcom VideoCore V processor
	EM_78KOR = 199, // Renesas 78KOR family
	EM_56800EX = 200  // Freescale 56800EX Digital Signal Controller (DSC)
};

// Object file classes.
enum
{
	ELFCLASSNONE = 0,
	ELFCLASS32 = 1, // 32-bit object file
	ELFCLASS64 = 2  // 64-bit object file
};

// Object file byte orderings.
enum
{
	ELFDATANONE = 0, // Invalid data encoding.
	ELFDATA2LSB = 1, // Little-endian object file
	ELFDATA2MSB = 2  // Big-endian object file
};

// OS ABI identification.
enum
{
	ELFOSABI_NONE = 0,          // UNIX System V ABI
	ELFOSABI_HPUX = 1,          // HP-UX operating system
	ELFOSABI_NETBSD = 2,        // NetBSD
	ELFOSABI_GNU = 3,           // GNU/Linux
	ELFOSABI_LINUX = 3,         // Historical alias for ELFOSABI_GNU.
	ELFOSABI_HURD = 4,          // GNU/Hurd
	ELFOSABI_SOLARIS = 6,       // Solaris
	ELFOSABI_AIX = 7,           // AIX
	ELFOSABI_IRIX = 8,          // IRIX
	ELFOSABI_FREEBSD = 9,       // FreeBSD
	ELFOSABI_TRU64 = 10,        // TRU64 UNIX
	ELFOSABI_MODESTO = 11,      // Novell Modesto
	ELFOSABI_OPENBSD = 12,      // OpenBSD
	ELFOSABI_OPENVMS = 13,      // OpenVMS
	ELFOSABI_NSK = 14,          // Hewlett-Packard Non-Stop Kernel
	ELFOSABI_AROS = 15,         // AROS
	ELFOSABI_FENIXOS = 16,      // FenixOS
	ELFOSABI_C6000_ELFABI = 64, // Bare-metal TMS320C6000
	ELFOSABI_C6000_LINUX = 65,  // Linux TMS320C6000
	ELFOSABI_ARM = 97,          // ARM
	ELFOSABI_STANDALONE = 255   // Standalone (embedded) application
};

// X86_64 relocations.
enum
{
	R_X86_64_NONE = 0,
	R_X86_64_64 = 1,
	R_X86_64_PC32 = 2,
	R_X86_64_GOT32 = 3,
	R_X86_64_PLT32 = 4,
	R_X86_64_COPY = 5,
	R_X86_64_GLOB_DAT = 6,
	R_X86_64_JUMP_SLOT = 7,
	R_X86_64_RELATIVE = 8,
	R_X86_64_GOTPCREL = 9,
	R_X86_64_32 = 10,
	R_X86_64_32S = 11,
	R_X86_64_16 = 12,
	R_X86_64_PC16 = 13,
	R_X86_64_8 = 14,
	R_X86_64_PC8 = 15,
	R_X86_64_DTPMOD64 = 16,
	R_X86_64_DTPOFF64 = 17,
	R_X86_64_TPOFF64 = 18,
	R_X86_64_TLSGD = 19,
	R_X86_64_TLSLD = 20,
	R_X86_64_DTPOFF32 = 21,
	R_X86_64_GOTTPOFF = 22,
	R_X86_64_TPOFF32 = 23,
	R_X86_64_PC64 = 24,
	R_X86_64_GOTOFF64 = 25,
	R_X86_64_GOTPC32 = 26,
	R_X86_64_GOT64 = 27,
	R_X86_64_GOTPCREL64 = 28,
	R_X86_64_GOTPC64 = 29,
	R_X86_64_GOTPLT64 = 30,
	R_X86_64_PLTOFF64 = 31,
	R_X86_64_SIZE32 = 32,
	R_X86_64_SIZE64 = 33,
	R_X86_64_GOTPC32_TLSDESC = 34,
	R_X86_64_TLSDESC_CALL = 35,
	R_X86_64_TLSDESC = 36,
	R_X86_64_IRELATIVE = 37
};

// i386 relocations.
// TODO: this is just a subset
enum
{
	R_386_NONE = 0,
	R_386_32 = 1,
	R_386_PC32 = 2,
	R_386_GOT32 = 3,
	R_386_PLT32 = 4,
	R_386_COPY = 5,
	R_386_GLOB_DAT = 6,
	R_386_JUMP_SLOT = 7,
	R_386_RELATIVE = 8,
	R_386_GOTOFF = 9,
	R_386_GOTPC = 10,
	R_386_32PLT = 11,
	R_386_TLS_TPOFF = 14,
	R_386_TLS_IE = 15,
	R_386_TLS_GOTIE = 16,
	R_386_TLS_LE = 17,
	R_386_TLS_GD = 18,
	R_386_TLS_LDM = 19,
	R_386_16 = 20,
	R_386_PC16 = 21,
	R_386_8 = 22,
	R_386_PC8 = 23,
	R_386_TLS_GD_32 = 24,
	R_386_TLS_GD_PUSH = 25,
	R_386_TLS_GD_CALL = 26,
	R_386_TLS_GD_POP = 27,
	R_386_TLS_LDM_32 = 28,
	R_386_TLS_LDM_PUSH = 29,
	R_386_TLS_LDM_CALL = 30,
	R_386_TLS_LDM_POP = 31,
	R_386_TLS_LDO_32 = 32,
	R_386_TLS_IE_32 = 33,
	R_386_TLS_LE_32 = 34,
	R_386_TLS_DTPMOD32 = 35,
	R_386_TLS_DTPOFF32 = 36,
	R_386_TLS_TPOFF32 = 37,
	R_386_TLS_GOTDESC = 39,
	R_386_TLS_DESC_CALL = 40,
	R_386_TLS_DESC = 41,
	R_386_IRELATIVE = 42,
	R_386_NUM = 43
};

// ELF Relocation types for PPC32
enum
{
	R_PPC_NONE = 0, /* No relocation. */
		R_PPC_ADDR32 = 1,
	R_PPC_ADDR24 = 2,
	R_PPC_ADDR16 = 3,
	R_PPC_ADDR16_LO = 4,
	R_PPC_ADDR16_HI = 5,
	R_PPC_ADDR16_HA = 6,
	R_PPC_ADDR14 = 7,
	R_PPC_ADDR14_BRTAKEN = 8,
	R_PPC_ADDR14_BRNTAKEN = 9,
	R_PPC_REL24 = 10,
	R_PPC_REL14 = 11,
	R_PPC_REL14_BRTAKEN = 12,
	R_PPC_REL14_BRNTAKEN = 13,
	R_PPC_GOT16 = 14,
	R_PPC_GOT16_LO = 15,
	R_PPC_GOT16_HI = 16,
	R_PPC_GOT16_HA = 17,
	R_PPC_REL32 = 26,
	R_PPC_TLS = 67,
	R_PPC_DTPMOD32 = 68,
	R_PPC_TPREL16 = 69,
	R_PPC_TPREL16_LO = 70,
	R_PPC_TPREL16_HI = 71,
	R_PPC_TPREL16_HA = 72,
	R_PPC_TPREL32 = 73,
	R_PPC_DTPREL16 = 74,
	R_PPC_DTPREL16_LO = 75,
	R_PPC_DTPREL16_HI = 76,
	R_PPC_DTPREL16_HA = 77,
	R_PPC_DTPREL32 = 78,
	R_PPC_GOT_TLSGD16 = 79,
	R_PPC_GOT_TLSGD16_LO = 80,
	R_PPC_GOT_TLSGD16_HI = 81,
	R_PPC_GOT_TLSGD16_HA = 82,
	R_PPC_GOT_TLSLD16 = 83,
	R_PPC_GOT_TLSLD16_LO = 84,
	R_PPC_GOT_TLSLD16_HI = 85,
	R_PPC_GOT_TLSLD16_HA = 86,
	R_PPC_GOT_TPREL16 = 87,
	R_PPC_GOT_TPREL16_LO = 88,
	R_PPC_GOT_TPREL16_HI = 89,
	R_PPC_GOT_TPREL16_HA = 90,
	R_PPC_GOT_DTPREL16 = 91,
	R_PPC_GOT_DTPREL16_LO = 92,
	R_PPC_GOT_DTPREL16_HI = 93,
	R_PPC_GOT_DTPREL16_HA = 94,
	R_PPC_TLSGD = 95,
	R_PPC_TLSLD = 96,
	R_PPC_REL16 = 249,
	R_PPC_REL16_LO = 250,
	R_PPC_REL16_HI = 251,
	R_PPC_REL16_HA = 252
};

// ELF Relocation types for PPC64
enum
{
	R_PPC64_NONE = 0,
	R_PPC64_ADDR32 = 1,
	R_PPC64_ADDR24 = 2,
	R_PPC64_ADDR16 = 3,
	R_PPC64_ADDR16_LO = 4,
	R_PPC64_ADDR16_HI = 5,
	R_PPC64_ADDR16_HA = 6,
	R_PPC64_ADDR14 = 7,
	R_PPC64_ADDR14_BRTAKEN = 8,
	R_PPC64_ADDR14_BRNTAKEN = 9,
	R_PPC64_REL24 = 10,
	R_PPC64_REL14 = 11,
	R_PPC64_REL14_BRTAKEN = 12,
	R_PPC64_REL14_BRNTAKEN = 13,
	R_PPC64_GOT16 = 14,
	R_PPC64_GOT16_LO = 15,
	R_PPC64_GOT16_HI = 16,
	R_PPC64_GOT16_HA = 17,
	R_PPC64_REL32 = 26,
	R_PPC64_ADDR64 = 38,
	R_PPC64_ADDR16_HIGHER = 39,
	R_PPC64_ADDR16_HIGHERA = 40,
	R_PPC64_ADDR16_HIGHEST = 41,
	R_PPC64_ADDR16_HIGHESTA = 42,
	R_PPC64_REL64 = 44,
	R_PPC64_TOC16 = 47,
	R_PPC64_TOC16_LO = 48,
	R_PPC64_TOC16_HI = 49,
	R_PPC64_TOC16_HA = 50,
	R_PPC64_TOC = 51,
	R_PPC64_ADDR16_DS = 56,
	R_PPC64_ADDR16_LO_DS = 57,
	R_PPC64_GOT16_DS = 58,
	R_PPC64_GOT16_LO_DS = 59,
	R_PPC64_TOC16_DS = 63,
	R_PPC64_TOC16_LO_DS = 64,
	R_PPC64_TLS = 67,
	R_PPC64_DTPMOD64 = 68,
	R_PPC64_TPREL16 = 69,
	R_PPC64_TPREL16_LO = 70,
	R_PPC64_TPREL16_HI = 71,
	R_PPC64_TPREL16_HA = 72,
	R_PPC64_TPREL64 = 73,
	R_PPC64_DTPREL16 = 74,
	R_PPC64_DTPREL16_LO = 75,
	R_PPC64_DTPREL16_HI = 76,
	R_PPC64_DTPREL16_HA = 77,
	R_PPC64_DTPREL64 = 78,
	R_PPC64_GOT_TLSGD16 = 79,
	R_PPC64_GOT_TLSGD16_LO = 80,
	R_PPC64_GOT_TLSGD16_HI = 81,
	R_PPC64_GOT_TLSGD16_HA = 82,
	R_PPC64_GOT_TLSLD16 = 83,
	R_PPC64_GOT_TLSLD16_LO = 84,
	R_PPC64_GOT_TLSLD16_HI = 85,
	R_PPC64_GOT_TLSLD16_HA = 86,
	R_PPC64_GOT_TPREL16_DS = 87,
	R_PPC64_GOT_TPREL16_LO_DS = 88,
	R_PPC64_GOT_TPREL16_HI = 89,
	R_PPC64_GOT_TPREL16_HA = 90,
	R_PPC64_GOT_DTPREL16_DS = 91,
	R_PPC64_GOT_DTPREL16_LO_DS = 92,
	R_PPC64_GOT_DTPREL16_HI = 93,
	R_PPC64_GOT_DTPREL16_HA = 94,
	R_PPC64_TPREL16_DS = 95,
	R_PPC64_TPREL16_LO_DS = 96,
	R_PPC64_TPREL16_HIGHER = 97,
	R_PPC64_TPREL16_HIGHERA = 98,
	R_PPC64_TPREL16_HIGHEST = 99,
	R_PPC64_TPREL16_HIGHESTA = 100,
	R_PPC64_DTPREL16_DS = 101,
	R_PPC64_DTPREL16_LO_DS = 102,
	R_PPC64_DTPREL16_HIGHER = 103,
	R_PPC64_DTPREL16_HIGHERA = 104,
	R_PPC64_DTPREL16_HIGHEST = 105,
	R_PPC64_DTPREL16_HIGHESTA = 106,
	R_PPC64_TLSGD = 107,
	R_PPC64_TLSLD = 108,
	R_PPC64_REL16 = 249,
	R_PPC64_REL16_LO = 250,
	R_PPC64_REL16_HI = 251,
	R_PPC64_REL16_HA = 252
};

// ELF Relocation types for AArch64

enum
{
	R_AARCH64_NONE = 0x100,

	R_AARCH64_ABS64 = 0x101,
	R_AARCH64_ABS32 = 0x102,
	R_AARCH64_ABS16 = 0x103,
	R_AARCH64_PREL64 = 0x104,
	R_AARCH64_PREL32 = 0x105,
	R_AARCH64_PREL16 = 0x106,

	R_AARCH64_MOVW_UABS_G0 = 0x107,
	R_AARCH64_MOVW_UABS_G0_NC = 0x108,
	R_AARCH64_MOVW_UABS_G1 = 0x109,
	R_AARCH64_MOVW_UABS_G1_NC = 0x10a,
	R_AARCH64_MOVW_UABS_G2 = 0x10b,
	R_AARCH64_MOVW_UABS_G2_NC = 0x10c,
	R_AARCH64_MOVW_UABS_G3 = 0x10d,
	R_AARCH64_MOVW_SABS_G0 = 0x10e,
	R_AARCH64_MOVW_SABS_G1 = 0x10f,
	R_AARCH64_MOVW_SABS_G2 = 0x110,

	R_AARCH64_LD_PREL_LO19 = 0x111,
	R_AARCH64_ADR_PREL_LO21 = 0x112,
	R_AARCH64_ADR_PREL_PG_HI21 = 0x113,
	R_AARCH64_ADD_ABS_LO12_NC = 0x115,
	R_AARCH64_LDST8_ABS_LO12_NC = 0x116,

	R_AARCH64_TSTBR14 = 0x117,
	R_AARCH64_CONDBR19 = 0x118,
	R_AARCH64_JUMP26 = 0x11a,
	R_AARCH64_CALL26 = 0x11b,

	R_AARCH64_LDST16_ABS_LO12_NC = 0x11c,
	R_AARCH64_LDST32_ABS_LO12_NC = 0x11d,
	R_AARCH64_LDST64_ABS_LO12_NC = 0x11e,

	R_AARCH64_LDST128_ABS_LO12_NC = 0x12b,

	R_AARCH64_ADR_GOT_PAGE = 0x137,
	R_AARCH64_LD64_GOT_LO12_NC = 0x138,

	R_AARCH64_TLSLD_MOVW_DTPREL_G2 = 0x20b,
	R_AARCH64_TLSLD_MOVW_DTPREL_G1 = 0x20c,
	R_AARCH64_TLSLD_MOVW_DTPREL_G1_NC = 0x20d,
	R_AARCH64_TLSLD_MOVW_DTPREL_G0 = 0x20e,
	R_AARCH64_TLSLD_MOVW_DTPREL_G0_NC = 0x20f,
	R_AARCH64_TLSLD_ADD_DTPREL_HI12 = 0x210,
	R_AARCH64_TLSLD_ADD_DTPREL_LO12 = 0x211,
	R_AARCH64_TLSLD_ADD_DTPREL_LO12_NC = 0x212,
	R_AARCH64_TLSLD_LDST8_DTPREL_LO12 = 0x213,
	R_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC = 0x214,
	R_AARCH64_TLSLD_LDST16_DTPREL_LO12 = 0x215,
	R_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC = 0x216,
	R_AARCH64_TLSLD_LDST32_DTPREL_LO12 = 0x217,
	R_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC = 0x218,
	R_AARCH64_TLSLD_LDST64_DTPREL_LO12 = 0x219,
	R_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC = 0x21a,

	R_AARCH64_TLSIE_MOVW_GOTTPREL_G1 = 0x21b,
	R_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC = 0x21c,
	R_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21 = 0x21d,
	R_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC = 0x21e,
	R_AARCH64_TLSIE_LD_GOTTPREL_PREL19 = 0x21f,

	R_AARCH64_TLSLE_MOVW_TPREL_G2 = 0x220,
	R_AARCH64_TLSLE_MOVW_TPREL_G1 = 0x221,
	R_AARCH64_TLSLE_MOVW_TPREL_G1_NC = 0x222,
	R_AARCH64_TLSLE_MOVW_TPREL_G0 = 0x223,
	R_AARCH64_TLSLE_MOVW_TPREL_G0_NC = 0x224,
	R_AARCH64_TLSLE_ADD_TPREL_HI12 = 0x225,
	R_AARCH64_TLSLE_ADD_TPREL_LO12 = 0x226,
	R_AARCH64_TLSLE_ADD_TPREL_LO12_NC = 0x227,
	R_AARCH64_TLSLE_LDST8_TPREL_LO12 = 0x228,
	R_AARCH64_TLSLE_LDST8_TPREL_LO12_NC = 0x229,
	R_AARCH64_TLSLE_LDST16_TPREL_LO12 = 0x22a,
	R_AARCH64_TLSLE_LDST16_TPREL_LO12_NC = 0x22b,
	R_AARCH64_TLSLE_LDST32_TPREL_LO12 = 0x22c,
	R_AARCH64_TLSLE_LDST32_TPREL_LO12_NC = 0x22d,
	R_AARCH64_TLSLE_LDST64_TPREL_LO12 = 0x22e,
	R_AARCH64_TLSLE_LDST64_TPREL_LO12_NC = 0x22f,

	R_AARCH64_TLSDESC_ADR_PAGE = 0x232,
	R_AARCH64_TLSDESC_LD64_LO12_NC = 0x233,
	R_AARCH64_TLSDESC_ADD_LO12_NC = 0x234,

	R_AARCH64_TLSDESC_CALL = 0x239
};

// ARM Specific e_flags
enum : u32
{
	EF_ARM_SOFT_FLOAT = 0x00000200U,
	EF_ARM_VFP_FLOAT = 0x00000400U,
	EF_ARM_EABI_UNKNOWN = 0x00000000U,
	EF_ARM_EABI_VER1 = 0x01000000U,
	EF_ARM_EABI_VER2 = 0x02000000U,
	EF_ARM_EABI_VER3 = 0x03000000U,
	EF_ARM_EABI_VER4 = 0x04000000U,
	EF_ARM_EABI_VER5 = 0x05000000U,
	EF_ARM_EABIMASK = 0xFF000000U
};

// ELF Relocation types for ARM
// Meets 2.08 ABI Specs.

enum
{
	R_ARM_NONE = 0x00,
	R_ARM_PC24 = 0x01,
	R_ARM_ABS32 = 0x02,
	R_ARM_REL32 = 0x03,
	R_ARM_LDR_PC_G0 = 0x04,
	R_ARM_ABS16 = 0x05,
	R_ARM_ABS12 = 0x06,
	R_ARM_THM_ABS5 = 0x07,
	R_ARM_ABS8 = 0x08,
	R_ARM_SBREL32 = 0x09,
	R_ARM_THM_CALL = 0x0a,
	R_ARM_THM_PC8 = 0x0b,
	R_ARM_BREL_ADJ = 0x0c,
	R_ARM_TLS_DESC = 0x0d,
	R_ARM_THM_SWI8 = 0x0e,
	R_ARM_XPC25 = 0x0f,
	R_ARM_THM_XPC22 = 0x10,
	R_ARM_TLS_DTPMOD32 = 0x11,
	R_ARM_TLS_DTPOFF32 = 0x12,
	R_ARM_TLS_TPOFF32 = 0x13,
	R_ARM_COPY = 0x14,
	R_ARM_GLOB_DAT = 0x15,
	R_ARM_JUMP_SLOT = 0x16,
	R_ARM_RELATIVE = 0x17,
	R_ARM_GOTOFF32 = 0x18,
	R_ARM_BASE_PREL = 0x19,
	R_ARM_GOT_BREL = 0x1a,
	R_ARM_PLT32 = 0x1b,
	R_ARM_CALL = 0x1c,
	R_ARM_JUMP24 = 0x1d,
	R_ARM_THM_JUMP24 = 0x1e,
	R_ARM_BASE_ABS = 0x1f,
	R_ARM_ALU_PCREL_7_0 = 0x20,
	R_ARM_ALU_PCREL_15_8 = 0x21,
	R_ARM_ALU_PCREL_23_15 = 0x22,
	R_ARM_LDR_SBREL_11_0_NC = 0x23,
	R_ARM_ALU_SBREL_19_12_NC = 0x24,
	R_ARM_ALU_SBREL_27_20_CK = 0x25,
	R_ARM_TARGET1 = 0x26,
	R_ARM_SBREL31 = 0x27,
	R_ARM_V4BX = 0x28,
	R_ARM_TARGET2 = 0x29,
	R_ARM_PREL31 = 0x2a,
	R_ARM_MOVW_ABS_NC = 0x2b,
	R_ARM_MOVT_ABS = 0x2c,
	R_ARM_MOVW_PREL_NC = 0x2d,
	R_ARM_MOVT_PREL = 0x2e,
	R_ARM_THM_MOVW_ABS_NC = 0x2f,
	R_ARM_THM_MOVT_ABS = 0x30,
	R_ARM_THM_MOVW_PREL_NC = 0x31,
	R_ARM_THM_MOVT_PREL = 0x32,
	R_ARM_THM_JUMP19 = 0x33,
	R_ARM_THM_JUMP6 = 0x34,
	R_ARM_THM_ALU_PREL_11_0 = 0x35,
	R_ARM_THM_PC12 = 0x36,
	R_ARM_ABS32_NOI = 0x37,
	R_ARM_REL32_NOI = 0x38,
	R_ARM_ALU_PC_G0_NC = 0x39,
	R_ARM_ALU_PC_G0 = 0x3a,
	R_ARM_ALU_PC_G1_NC = 0x3b,
	R_ARM_ALU_PC_G1 = 0x3c,
	R_ARM_ALU_PC_G2 = 0x3d,
	R_ARM_LDR_PC_G1 = 0x3e,
	R_ARM_LDR_PC_G2 = 0x3f,
	R_ARM_LDRS_PC_G0 = 0x40,
	R_ARM_LDRS_PC_G1 = 0x41,
	R_ARM_LDRS_PC_G2 = 0x42,
	R_ARM_LDC_PC_G0 = 0x43,
	R_ARM_LDC_PC_G1 = 0x44,
	R_ARM_LDC_PC_G2 = 0x45,
	R_ARM_ALU_SB_G0_NC = 0x46,
	R_ARM_ALU_SB_G0 = 0x47,
	R_ARM_ALU_SB_G1_NC = 0x48,
	R_ARM_ALU_SB_G1 = 0x49,
	R_ARM_ALU_SB_G2 = 0x4a,
	R_ARM_LDR_SB_G0 = 0x4b,
	R_ARM_LDR_SB_G1 = 0x4c,
	R_ARM_LDR_SB_G2 = 0x4d,
	R_ARM_LDRS_SB_G0 = 0x4e,
	R_ARM_LDRS_SB_G1 = 0x4f,
	R_ARM_LDRS_SB_G2 = 0x50,
	R_ARM_LDC_SB_G0 = 0x51,
	R_ARM_LDC_SB_G1 = 0x52,
	R_ARM_LDC_SB_G2 = 0x53,
	R_ARM_MOVW_BREL_NC = 0x54,
	R_ARM_MOVT_BREL = 0x55,
	R_ARM_MOVW_BREL = 0x56,
	R_ARM_THM_MOVW_BREL_NC = 0x57,
	R_ARM_THM_MOVT_BREL = 0x58,
	R_ARM_THM_MOVW_BREL = 0x59,
	R_ARM_TLS_GOTDESC = 0x5a,
	R_ARM_TLS_CALL = 0x5b,
	R_ARM_TLS_DESCSEQ = 0x5c,
	R_ARM_THM_TLS_CALL = 0x5d,
	R_ARM_PLT32_ABS = 0x5e,
	R_ARM_GOT_ABS = 0x5f,
	R_ARM_GOT_PREL = 0x60,
	R_ARM_GOT_BREL12 = 0x61,
	R_ARM_GOTOFF12 = 0x62,
	R_ARM_GOTRELAX = 0x63,
	R_ARM_GNU_VTENTRY = 0x64,
	R_ARM_GNU_VTINHERIT = 0x65,
	R_ARM_THM_JUMP11 = 0x66,
	R_ARM_THM_JUMP8 = 0x67,
	R_ARM_TLS_GD32 = 0x68,
	R_ARM_TLS_LDM32 = 0x69,
	R_ARM_TLS_LDO32 = 0x6a,
	R_ARM_TLS_IE32 = 0x6b,
	R_ARM_TLS_LE32 = 0x6c,
	R_ARM_TLS_LDO12 = 0x6d,
	R_ARM_TLS_LE12 = 0x6e,
	R_ARM_TLS_IE12GP = 0x6f,
	R_ARM_PRIVATE_0 = 0x70,
	R_ARM_PRIVATE_1 = 0x71,
	R_ARM_PRIVATE_2 = 0x72,
	R_ARM_PRIVATE_3 = 0x73,
	R_ARM_PRIVATE_4 = 0x74,
	R_ARM_PRIVATE_5 = 0x75,
	R_ARM_PRIVATE_6 = 0x76,
	R_ARM_PRIVATE_7 = 0x77,
	R_ARM_PRIVATE_8 = 0x78,
	R_ARM_PRIVATE_9 = 0x79,
	R_ARM_PRIVATE_10 = 0x7a,
	R_ARM_PRIVATE_11 = 0x7b,
	R_ARM_PRIVATE_12 = 0x7c,
	R_ARM_PRIVATE_13 = 0x7d,
	R_ARM_PRIVATE_14 = 0x7e,
	R_ARM_PRIVATE_15 = 0x7f,
	R_ARM_ME_TOO = 0x80,
	R_ARM_THM_TLS_DESCSEQ16 = 0x81,
	R_ARM_THM_TLS_DESCSEQ32 = 0x82
};

// Mips Specific e_flags
enum : u32
{
	EF_MIPS_NOREORDER = 0x00000001, // Don't reorder instructions
	EF_MIPS_PIC = 0x00000002, // Position independent code
	EF_MIPS_CPIC = 0x00000004, // Call object with Position independent code
	EF_MIPS_ABI_O32 = 0x00001000, // This file follows the first MIPS 32 bit ABI

	//ARCH_ASE
		EF_MIPS_MICROMIPS = 0x02000000, // microMIPS
	EF_MIPS_ARCH_ASE_M16 =
	0x04000000, // Has Mips-16 ISA extensions
	//ARCH
		EF_MIPS_ARCH_1 = 0x00000000, // MIPS1 instruction set
	EF_MIPS_ARCH_2 = 0x10000000, // MIPS2 instruction set
	EF_MIPS_ARCH_3 = 0x20000000, // MIPS3 instruction set
	EF_MIPS_ARCH_4 = 0x30000000, // MIPS4 instruction set
	EF_MIPS_ARCH_5 = 0x40000000, // MIPS5 instruction set
	EF_MIPS_ARCH_32 = 0x50000000, // MIPS32 instruction set per linux not elf.h
	EF_MIPS_ARCH_64 = 0x60000000, // MIPS64 instruction set per linux not elf.h
	EF_MIPS_ARCH_32R2 = 0x70000000, // mips32r2
	EF_MIPS_ARCH_64R2 = 0x80000000, // mips64r2
	EF_MIPS_ARCH = 0xf0000000  // Mask for applying EF_MIPS_ARCH_ variant
};

// ELF Relocation types for Mips
// .
enum
{
	R_MIPS_NONE = 0,
	R_MIPS_16 = 1,
	R_MIPS_32 = 2,
	R_MIPS_REL32 = 3,
	R_MIPS_26 = 4,
	R_MIPS_HI16 = 5,
	R_MIPS_LO16 = 6,
	R_MIPS_GPREL16 = 7,
	R_MIPS_LITERAL = 8,
	R_MIPS_GOT16 = 9,
	R_MIPS_GOT = 9,
	R_MIPS_PC16 = 10,
	R_MIPS_CALL16 = 11,
	R_MIPS_GPREL32 = 12,
	R_MIPS_UNUSED1 = 13,
	R_MIPS_UNUSED2 = 14,
	R_MIPS_SHIFT5 = 16,
	R_MIPS_SHIFT6 = 17,
	R_MIPS_64 = 18,
	R_MIPS_GOT_DISP = 19,
	R_MIPS_GOT_PAGE = 20,
	R_MIPS_GOT_OFST = 21,
	R_MIPS_GOT_HI16 = 22,
	R_MIPS_GOT_LO16 = 23,
	R_MIPS_SUB = 24,
	R_MIPS_INSERT_A = 25,
	R_MIPS_INSERT_B = 26,
	R_MIPS_DELETE = 27,
	R_MIPS_HIGHER = 28,
	R_MIPS_HIGHEST = 29,
	R_MIPS_CALL_HI16 = 30,
	R_MIPS_CALL_LO16 = 31,
	R_MIPS_SCN_DISP = 32,
	R_MIPS_REL16 = 33,
	R_MIPS_ADD_IMMEDIATE = 34,
	R_MIPS_PJUMP = 35,
	R_MIPS_RELGOT = 36,
	R_MIPS_JALR = 37,
	R_MIPS_TLS_DTPMOD32 = 38,
	R_MIPS_TLS_DTPREL32 = 39,
	R_MIPS_TLS_DTPMOD64 = 40,
	R_MIPS_TLS_DTPREL64 = 41,
	R_MIPS_TLS_GD = 42,
	R_MIPS_TLS_LDM = 43,
	R_MIPS_TLS_DTPREL_HI16 = 44,
	R_MIPS_TLS_DTPREL_LO16 = 45,
	R_MIPS_TLS_GOTTPREL = 46,
	R_MIPS_TLS_TPREL32 = 47,
	R_MIPS_TLS_TPREL64 = 48,
	R_MIPS_TLS_TPREL_HI16 = 49,
	R_MIPS_TLS_TPREL_LO16 = 50,
	R_MIPS_GLOB_DAT = 51,
	R_MIPS_COPY = 126,
	R_MIPS_JUMP_SLOT = 127,
	R_MIPS_NUM = 218
};

// Special values for the st_other field in the symbol table entry for MIPS.
enum
{
	STO_MIPS_MICROMIPS = 0x80 // MIPS Specific ISA for MicroMips
};

// Hexagon Specific e_flags
// Release 5 ABI
enum
{
	// Object processor version flags, bits[3:0]
		EF_HEXAGON_MACH_V2 = 0x00000001,   // Hexagon V2
	EF_HEXAGON_MACH_V3 = 0x00000002,   // Hexagon V3
	EF_HEXAGON_MACH_V4 = 0x00000003,   // Hexagon V4
	EF_HEXAGON_MACH_V5 = 0x00000004,   // Hexagon V5

	// Highest ISA version flags
		EF_HEXAGON_ISA_MACH = 0x00000000,   // Same as specified in bits[3:0]
	// of e_flags
		EF_HEXAGON_ISA_V2 = 0x00000010,   // Hexagon V2 ISA
	EF_HEXAGON_ISA_V3 = 0x00000020,   // Hexagon V3 ISA
	EF_HEXAGON_ISA_V4 = 0x00000030,   // Hexagon V4 ISA
	EF_HEXAGON_ISA_V5 = 0x00000040    // Hexagon V5 ISA
};

// Hexagon specific Section indexes for common small data
// Release 5 ABI
enum
{
	SHN_HEXAGON_SCOMMON = 0xff00,       // Other access sizes
	SHN_HEXAGON_SCOMMON_1 = 0xff01,       // Byte-sized access
	SHN_HEXAGON_SCOMMON_2 = 0xff02,       // Half-word-sized access
	SHN_HEXAGON_SCOMMON_4 = 0xff03,       // Word-sized access
	SHN_HEXAGON_SCOMMON_8 = 0xff04        // Double-word-size access
};

// ELF Relocation types for Hexagon
// Release 5 ABI
enum
{
	R_HEX_NONE = 0,
	R_HEX_B22_PCREL = 1,
	R_HEX_B15_PCREL = 2,
	R_HEX_B7_PCREL = 3,
	R_HEX_LO16 = 4,
	R_HEX_HI16 = 5,
	R_HEX_32 = 6,
	R_HEX_16 = 7,
	R_HEX_8 = 8,
	R_HEX_GPREL16_0 = 9,
	R_HEX_GPREL16_1 = 10,
	R_HEX_GPREL16_2 = 11,
	R_HEX_GPREL16_3 = 12,
	R_HEX_HL16 = 13,
	R_HEX_B13_PCREL = 14,
	R_HEX_B9_PCREL = 15,
	R_HEX_B32_PCREL_X = 16,
	R_HEX_32_6_X = 17,
	R_HEX_B22_PCREL_X = 18,
	R_HEX_B15_PCREL_X = 19,
	R_HEX_B13_PCREL_X = 20,
	R_HEX_B9_PCREL_X = 21,
	R_HEX_B7_PCREL_X = 22,
	R_HEX_16_X = 23,
	R_HEX_12_X = 24,
	R_HEX_11_X = 25,
	R_HEX_10_X = 26,
	R_HEX_9_X = 27,
	R_HEX_8_X = 28,
	R_HEX_7_X = 29,
	R_HEX_6_X = 30,
	R_HEX_32_PCREL = 31,
	R_HEX_COPY = 32,
	R_HEX_GLOB_DAT = 33,
	R_HEX_JMP_SLOT = 34,
	R_HEX_RELATIVE = 35,
	R_HEX_PLT_B22_PCREL = 36,
	R_HEX_GOTREL_LO16 = 37,
	R_HEX_GOTREL_HI16 = 38,
	R_HEX_GOTREL_32 = 39,
	R_HEX_GOT_LO16 = 40,
	R_HEX_GOT_HI16 = 41,
	R_HEX_GOT_32 = 42,
	R_HEX_GOT_16 = 43,
	R_HEX_DTPMOD_32 = 44,
	R_HEX_DTPREL_LO16 = 45,
	R_HEX_DTPREL_HI16 = 46,
	R_HEX_DTPREL_32 = 47,
	R_HEX_DTPREL_16 = 48,
	R_HEX_GD_PLT_B22_PCREL = 49,
	R_HEX_GD_GOT_LO16 = 50,
	R_HEX_GD_GOT_HI16 = 51,
	R_HEX_GD_GOT_32 = 52,
	R_HEX_GD_GOT_16 = 53,
	R_HEX_IE_LO16 = 54,
	R_HEX_IE_HI16 = 55,
	R_HEX_IE_32 = 56,
	R_HEX_IE_GOT_LO16 = 57,
	R_HEX_IE_GOT_HI16 = 58,
	R_HEX_IE_GOT_32 = 59,
	R_HEX_IE_GOT_16 = 60,
	R_HEX_TPREL_LO16 = 61,
	R_HEX_TPREL_HI16 = 62,
	R_HEX_TPREL_32 = 63,
	R_HEX_TPREL_16 = 64,
	R_HEX_6_PCREL_X = 65,
	R_HEX_GOTREL_32_6_X = 66,
	R_HEX_GOTREL_16_X = 67,
	R_HEX_GOTREL_11_X = 68,
	R_HEX_GOT_32_6_X = 69,
	R_HEX_GOT_16_X = 70,
	R_HEX_GOT_11_X = 71,
	R_HEX_DTPREL_32_6_X = 72,
	R_HEX_DTPREL_16_X = 73,
	R_HEX_DTPREL_11_X = 74,
	R_HEX_GD_GOT_32_6_X = 75,
	R_HEX_GD_GOT_16_X = 76,
	R_HEX_GD_GOT_11_X = 77,
	R_HEX_IE_32_6_X = 78,
	R_HEX_IE_16_X = 79,
	R_HEX_IE_GOT_32_6_X = 80,
	R_HEX_IE_GOT_16_X = 81,
	R_HEX_IE_GOT_11_X = 82,
	R_HEX_TPREL_32_6_X = 83,
	R_HEX_TPREL_16_X = 84,
	R_HEX_TPREL_11_X = 85
};

// ELF Relocation types for S390/zSeries
enum
{
	R_390_NONE = 0,
	R_390_8 = 1,
	R_390_12 = 2,
	R_390_16 = 3,
	R_390_32 = 4,
	R_390_PC32 = 5,
	R_390_GOT12 = 6,
	R_390_GOT32 = 7,
	R_390_PLT32 = 8,
	R_390_COPY = 9,
	R_390_GLOB_DAT = 10,
	R_390_JMP_SLOT = 11,
	R_390_RELATIVE = 12,
	R_390_GOTOFF = 13,
	R_390_GOTPC = 14,
	R_390_GOT16 = 15,
	R_390_PC16 = 16,
	R_390_PC16DBL = 17,
	R_390_PLT16DBL = 18,
	R_390_PC32DBL = 19,
	R_390_PLT32DBL = 20,
	R_390_GOTPCDBL = 21,
	R_390_64 = 22,
	R_390_PC64 = 23,
	R_390_GOT64 = 24,
	R_390_PLT64 = 25,
	R_390_GOTENT = 26,
	R_390_GOTOFF16 = 27,
	R_390_GOTOFF64 = 28,
	R_390_GOTPLT12 = 29,
	R_390_GOTPLT16 = 30,
	R_390_GOTPLT32 = 31,
	R_390_GOTPLT64 = 32,
	R_390_GOTPLTENT = 33,
	R_390_PLTOFF16 = 34,
	R_390_PLTOFF32 = 35,
	R_390_PLTOFF64 = 36,
	R_390_TLS_LOAD = 37,
	R_390_TLS_GDCALL = 38,
	R_390_TLS_LDCALL = 39,
	R_390_TLS_GD32 = 40,
	R_390_TLS_GD64 = 41,
	R_390_TLS_GOTIE12 = 42,
	R_390_TLS_GOTIE32 = 43,
	R_390_TLS_GOTIE64 = 44,
	R_390_TLS_LDM32 = 45,
	R_390_TLS_LDM64 = 46,
	R_390_TLS_IE32 = 47,
	R_390_TLS_IE64 = 48,
	R_390_TLS_IEENT = 49,
	R_390_TLS_LE32 = 50,
	R_390_TLS_LE64 = 51,
	R_390_TLS_LDO32 = 52,
	R_390_TLS_LDO64 = 53,
	R_390_TLS_DTPMOD = 54,
	R_390_TLS_DTPOFF = 55,
	R_390_TLS_TPOFF = 56,
	R_390_20 = 57,
	R_390_GOT20 = 58,
	R_390_GOTPLT20 = 59,
	R_390_TLS_GOTIE20 = 60,
	R_390_IRELATIVE = 61
};

// Section header.
struct Elf32_Shdr
{
	Elf32_Word sh_name;      // Section name (index into string table)
	Elf32_Word sh_type;      // Section type (SHT_*)
	Elf32_Word sh_flags;     // Section flags (SHF_*)
	Elf32_Addr sh_addr;      // Address where section is to be loaded
	Elf32_Off sh_offset;    // File offset of section data, in bytes
	Elf32_Word sh_size;      // Size of section, in bytes
	Elf32_Word sh_link;      // Section type-specific header table index link
	Elf32_Word sh_info;      // Section type-specific extra information
	Elf32_Word sh_addralign; // Section address alignment
	Elf32_Word sh_entsize;   // Size of records contained within the section
};

// Section header for ELF64 - same fields as ELF32, different types.
struct Elf64_Shdr
{
	Elf64_Word sh_name;
	Elf64_Word sh_type;
	Elf64_Xword sh_flags;
	Elf64_Addr sh_addr;
	Elf64_Off sh_offset;
	Elf64_Xword sh_size;
	Elf64_Word sh_link;
	Elf64_Word sh_info;
	Elf64_Xword sh_addralign;
	Elf64_Xword sh_entsize;
};

// Special section indices.
enum
{
	SHN_UNDEF = 0,      // Undefined, missing, irrelevant, or meaningless
	SHN_LORESERVE = 0xff00, // Lowest reserved index
	SHN_LOPROC = 0xff00, // Lowest processor-specific index
	SHN_HIPROC = 0xff1f, // Highest processor-specific index
	SHN_LOOS = 0xff20, // Lowest operating system-specific index
	SHN_HIOS = 0xff3f, // Highest operating system-specific index
	SHN_ABS = 0xfff1, // Symbol has absolute value; does not need relocation
	SHN_COMMON = 0xfff2, // FORTRAN COMMON or C external global variables
	SHN_XINDEX = 0xffff, // Mark that the index is >= SHN_LORESERVE
	SHN_HIRESERVE = 0xffff  // Highest reserved index
};

// Section types.
enum : u32
{
	SHT_NULL = 0,  // No associated section (inactive entry).
	SHT_PROGBITS = 1,  // Program-defined contents.
	SHT_SYMTAB = 2,  // Symbol table.
	SHT_STRTAB = 3,  // String table.
	SHT_RELA = 4,  // Relocation entries; explicit addends.
	SHT_HASH = 5,  // Symbol hash table.
	SHT_DYNAMIC = 6,  // Information for dynamic linking.
	SHT_NOTE = 7,  // Information about the file.
	SHT_NOBITS = 8,  // Data occupies no space in the file.
	SHT_REL = 9,  // Relocation entries; no explicit addends.
	SHT_SHLIB = 10, // Reserved.
	SHT_DYNSYM = 11, // Symbol table.
	SHT_INIT_ARRAY = 14, // Pointers to initialization functions.
	SHT_FINI_ARRAY = 15, // Pointers to termination functions.
	SHT_PREINIT_ARRAY = 16, // Pointers to pre-init functions.
	SHT_GROUP = 17, // Section group.
	SHT_SYMTAB_SHNDX = 18, // Indices for SHN_XINDEX entries.
	SHT_LOOS = 0x60000000, // Lowest operating system-specific type.
	SHT_GNU_ATTRIBUTES = 0x6ffffff5, // Object attributes.
	SHT_GNU_HASH = 0x6ffffff6, // GNU-style hash table.
	SHT_GNU_verdef = 0x6ffffffd, // GNU version definitions.
	SHT_GNU_verneed = 0x6ffffffe, // GNU version references.
	SHT_GNU_versym = 0x6fffffff, // GNU symbol versions table.
	SHT_HIOS = 0x6fffffff, // Highest operating system-specific type.
	SHT_LOPROC = 0x70000000, // Lowest processor arch-specific type.
	// Fixme: All this is duplicated in MCSectionELF. Why??
	// Exception Index table
		SHT_ARM_EXIDX = 0x70000001U,
	// BPABI DLL dynamic linking pre-emption map
		SHT_ARM_PREEMPTMAP = 0x70000002U,
	//  Object file compatibility attributes
		SHT_ARM_ATTRIBUTES = 0x70000003U,
	SHT_ARM_DEBUGOVERLAY = 0x70000004U,
	SHT_ARM_OVERLAYSECTION = 0x70000005U,
	SHT_HEX_ORDERED = 0x70000000, // Link editor is to sort the entries in
	// this section based on their sizes
		SHT_X86_64_UNWIND = 0x70000001, // Unwind information

	SHT_MIPS_REGINFO = 0x70000006, // Register usage information
	SHT_MIPS_OPTIONS = 0x7000000d, // General options

	SHT_HIPROC = 0x7fffffff, // Highest processor arch-specific type.
	SHT_LOUSER = 0x80000000, // Lowest type reserved for applications.
	SHT_HIUSER = 0xffffffff  // Highest type reserved for applications.
};

// Section flags.
enum : u32
{
	// Section data should be writable during execution.
		SHF_WRITE = 0x1,

	// Section occupies memory during program execution.
		SHF_ALLOC = 0x2,

	// Section contains executable machine instructions.
		SHF_EXECINSTR = 0x4,

	// The data in this section may be merged.
		SHF_MERGE = 0x10,

	// The data in this section is null-terminated strings.
		SHF_STRINGS = 0x20,

	// A field in this section holds a section header table index.
		SHF_INFO_LINK = 0x40U,

	// Adds special ordering requirements for link editors.
		SHF_LINK_ORDER = 0x80U,

	// This section requires special OS-specific processing to avoid incorrect
	// behavior.
		SHF_OS_NONCONFORMING = 0x100U,

	// This section is a member of a section group.
		SHF_GROUP = 0x200U,

	// This section holds Thread-Local Storage.
		SHF_TLS = 0x400U,

	// This section is excluded from the final executable or shared library.
		SHF_EXCLUDE = 0x80000000U,

	// Start of target-specific flags.

	/// XCORE_SHF_CP_SECTION - All sections with the "c" flag are grouped
	/// together by the linker to form the constant pool and the cp register is
	/// set to the start of the constant pool by the boot code.
		XCORE_SHF_CP_SECTION = 0x800U,

	/// XCORE_SHF_DP_SECTION - All sections with the "d" flag are grouped
	/// together by the linker to form the data section and the dp register is
	/// set to the start of the section by the boot code.
		XCORE_SHF_DP_SECTION = 0x1000U,

	SHF_MASKOS = 0x0ff00000,

	// Bits indicating processor-specific flags.
		SHF_MASKPROC = 0xf0000000,

	// If an object file section does not have this flag set, then it may not hold
	// more than 2GB and can be freely referred to in objects using smaller code
	// models. Otherwise, only objects using larger code models can refer to them.
	// For example, a medium code model object can refer to data in a section that
	// sets this flag besides being able to refer to data in a section that does
	// not set it; likewise, a small code model object can refer only to code in a
	// section that does not set this flag.
		SHF_X86_64_LARGE = 0x10000000,

	// All sections with the GPREL flag are grouped into a global data area
	// for faster accesses
		SHF_HEX_GPREL = 0x10000000,

	// Do not strip this section. FIXME: We need target specific SHF_ enums.
		SHF_MIPS_NOSTRIP = 0x8000000
};

// Section Group Flags
enum : u32
{
	GRP_COMDAT = 0x1,
	GRP_MASKOS = 0x0ff00000,
	GRP_MASKPROC = 0xf0000000
};

// Symbol table entries for ELF32.
struct Elf32_Sym
{
	Elf32_Word st_name;  // Symbol name (index into string table)
	Elf32_Addr st_value; // Value or address associated with the symbol
	Elf32_Word st_size;  // Size of the symbol
	unsigned char st_info;  // Symbol's type and binding attributes
	unsigned char st_other; // Must be zero; reserved
	Elf32_Half st_shndx; // Which section (header table index) it's defined in
};

// Symbol table entries for ELF64.
struct Elf64_Sym
{
	Elf64_Word st_name;  // Symbol name (index into string table)
	unsigned char st_info;  // Symbol's type and binding attributes
	unsigned char st_other; // Must be zero; reserved
	Elf64_Half st_shndx; // Which section (header tbl index) it's defined in
	Elf64_Addr st_value; // Value or address associated with the symbol
	Elf64_Xword st_size;  // Size of the symbol
};

// The size (in bytes) of symbol table entries.
enum
{
	SYMENTRY_SIZE32 = 16, // 32-bit symbol entry size
	SYMENTRY_SIZE64 = 24  // 64-bit symbol entry size.
};

// Symbol bindings.
enum
{
	STB_LOCAL = 0,   // Local symbol, not visible outside obj file containing def
	STB_GLOBAL = 1,  // Global symbol, visible to all object files being combined
	STB_WEAK = 2,    // Weak symbol, like global but lower-precedence
	STB_LOOS = 10, // Lowest operating system-specific binding type
	STB_HIOS = 12, // Highest operating system-specific binding type
	STB_LOPROC = 13, // Lowest processor-specific binding type
	STB_HIPROC = 15  // Highest processor-specific binding type
};

// Symbol types.
enum
{
	STT_NOTYPE = 0,   // Symbol's type is not specified
	STT_OBJECT = 1,   // Symbol is a data object (variable, array, etc.)
	STT_FUNC = 2,   // Symbol is executable code (function, etc.)
	STT_SECTION = 3,   // Symbol refers to a section
	STT_FILE = 4,   // Local, absolute symbol that refers to a file
	STT_COMMON = 5,   // An uninitialized common block
	STT_TLS = 6,   // Thread local data object
	STT_LOOS = 7,   // Lowest operating system-specific symbol type
	STT_HIOS = 8,   // Highest operating system-specific symbol type
	STT_GNU_IFUNC = 10, // GNU indirect function
	STT_LOPROC = 13,  // Lowest processor-specific symbol type
	STT_HIPROC = 15   // Highest processor-specific symbol type
};

enum
{
	STV_DEFAULT = 0,  // Visibility is specified by binding type
	STV_INTERNAL = 1,  // Defined by processor supplements
	STV_HIDDEN = 2,  // Not visible to other components
	STV_PROTECTED = 3   // Visible in other components but not preemptable
};

// Symbol number.
enum
{
	STN_UNDEF = 0
};

// Relocation entry, without explicit addend.
struct Elf32_Rel
{
	Elf32_Addr r_offset; // Location (file byte offset, or program virtual addr)
	Elf32_Word r_info;   // Symbol table index and type of relocation to apply
};

// Relocation entry with explicit addend.
struct Elf32_Rela
{
	Elf32_Addr r_offset; // Location (file byte offset, or program virtual addr)
	Elf32_Word r_info;   // Symbol table index and type of relocation to apply
	Elf32_Sword r_addend; // Compute value for relocatable field by adding this
};

// Relocation entry, without explicit addend.
struct Elf64_Rel
{
	Elf64_Addr r_offset; // Location (file byte offset, or program virtual addr).
	Elf64_Xword r_info;   // Symbol table index and type of relocation to apply.
};

// Relocation entry with explicit addend.
struct Elf64_Rela
{
	Elf64_Addr r_offset; // Location (file byte offset, or program virtual addr).
	Elf64_Xword r_info;   // Symbol table index and type of relocation to apply.
	Elf64_Sxword r_addend; // Compute value for relocatable field by adding this.
};

// Program header for ELF32.
struct Elf32_Phdr
{
	Elf32_Word p_type;   // Type of segment
	Elf32_Off p_offset; // File offset where segment is located, in bytes
	Elf32_Addr p_vaddr;  // Virtual address of beginning of segment
	Elf32_Addr p_paddr;  // Physical address of beginning of segment (OS-specific)
	Elf32_Word p_filesz; // Num. of bytes in file image of segment (may be zero)
	Elf32_Word p_memsz;  // Num. of bytes in mem image of segment (may be zero)
	Elf32_Word p_flags;  // Segment flags
	Elf32_Word p_align;  // Segment alignment constraint
};

// Program header for ELF64.
struct Elf64_Phdr
{
	Elf64_Word p_type;   // Type of segment
	Elf64_Word p_flags;  // Segment flags
	Elf64_Off p_offset; // File offset where segment is located, in bytes
	Elf64_Addr p_vaddr;  // Virtual address of beginning of segment
	Elf64_Addr p_paddr;  // Physical addr of beginning of segment (OS-specific)
	Elf64_Xword p_filesz; // Num. of bytes in file image of segment (may be zero)
	Elf64_Xword p_memsz;  // Num. of bytes in mem image of segment (may be zero)
	Elf64_Xword p_align;  // Segment alignment constraint
};

// Segment types.
enum
{
	PT_NULL = 0, // Unused segment.
	PT_LOAD = 1, // Loadable segment.
	PT_DYNAMIC = 2, // Dynamic linking information.
	PT_INTERP = 3, // Interpreter pathname.
	PT_NOTE = 4, // Auxiliary information.
	PT_SHLIB = 5, // Reserved.
	PT_PHDR = 6, // The program header table itself.
	PT_TLS = 7, // The thread-local storage template.
	PT_LOOS = 0x60000000, // Lowest operating system-specific pt entry type.
	PT_HIOS = 0x6fffffff, // Highest operating system-specific pt entry type.
	PT_LOPROC = 0x70000000, // Lowest processor-specific program hdr entry type.
	PT_HIPROC = 0x7fffffff, // Highest processor-specific program hdr entry type.

	// x86-64 program header types.
	// These all contain stack unwind tables.
		PT_GNU_EH_FRAME = 0x6474e550,
	PT_SUNW_EH_FRAME = 0x6474e550,
	PT_SUNW_UNWIND = 0x6464e550,

	PT_GNU_STACK = 0x6474e551, // Indicates stack executability.
	PT_GNU_RELRO = 0x6474e552, // Read-only after relocation.

	// ARM program header types.
		PT_ARM_ARCHEXT = 0x70000000, // Platform architecture compatibility info
	// These all contain stack unwind tables.
		PT_ARM_EXIDX = 0x70000001,
	PT_ARM_UNWIND = 0x70000001
};

// Segment flag bits.
enum : u32
{
	PF_X = 1,         // Execute
	PF_W = 2,         // Write
	PF_R = 4,         // Read
	PF_MASKOS = 0x0ff00000, // Bits for operating system-specific semantics.
		PF_MASKPROC = 0xf0000000 // Bits for processor-specific semantics.
};

// Dynamic table entry for ELF32.
struct Elf32_Dyn
{
	Elf32_Sword d_tag;            // Type of dynamic table entry.
	union
	{
		Elf32_Word d_val;         // Integer value of entry.
		Elf32_Addr d_ptr;         // Pointer value of entry.
	} d_un;
};

// Dynamic table entry for ELF64.
struct Elf64_Dyn
{
	Elf64_Sxword d_tag;           // Type of dynamic table entry.
	union
	{
		Elf64_Xword d_val;        // Integer value of entry.
		Elf64_Addr d_ptr;        // Pointer value of entry.
	} d_un;
};

// Dynamic table entry tags.
enum
{
	DT_NULL = 0,        // Marks end of dynamic array.
	DT_NEEDED = 1,        // String table offset of needed library.
	DT_PLTRELSZ = 2,        // Size of relocation entries in PLT.
	DT_PLTGOT = 3,        // Address associated with linkage table.
	DT_HASH = 4,        // Address of symbolic hash table.
	DT_STRTAB = 5,        // Address of dynamic string table.
	DT_SYMTAB = 6,        // Address of dynamic symbol table.
	DT_RELA = 7,        // Address of relocation table (Rela entries).
	DT_RELASZ = 8,        // Size of Rela relocation table.
	DT_RELAENT = 9,        // Size of a Rela relocation entry.
	DT_STRSZ = 10,       // Total size of the string table.
	DT_SYMENT = 11,       // Size of a symbol table entry.
	DT_INIT = 12,       // Address of initialization function.
	DT_FINI = 13,       // Address of termination function.
	DT_SONAME = 14,       // String table offset of a shared objects name.
	DT_RPATH = 15,       // String table offset of library search path.
	DT_SYMBOLIC = 16,       // Changes symbol resolution algorithm.
	DT_REL = 17,       // Address of relocation table (Rel entries).
	DT_RELSZ = 18,       // Size of Rel relocation table.
	DT_RELENT = 19,       // Size of a Rel relocation entry.
	DT_PLTREL = 20,       // Type of relocation entry used for linking.
	DT_DEBUG = 21,       // Reserved for debugger.
	DT_TEXTREL = 22,       // Relocations exist for non-writable segments.
	DT_JMPREL = 23,       // Address of relocations associated with PLT.
	DT_BIND_NOW = 24,       // Process all relocations before execution.
	DT_INIT_ARRAY = 25,       // Pointer to array of initialization functions.
	DT_FINI_ARRAY = 26,       // Pointer to array of termination functions.
	DT_INIT_ARRAYSZ = 27,       // Size of DT_INIT_ARRAY.
	DT_FINI_ARRAYSZ = 28,       // Size of DT_FINI_ARRAY.
	DT_RUNPATH = 29,       // String table offset of lib search path.
	DT_FLAGS = 30,       // Flags.
	DT_ENCODING = 32,       // Values from here to DT_LOOS follow the rules
	// for the interpretation of the d_un union.

	DT_PREINIT_ARRAY = 32,      // Pointer to array of preinit functions.
	DT_PREINIT_ARRAYSZ = 33,    // Size of the DT_PREINIT_ARRAY array.

	DT_LOOS = 0x60000000, // Start of environment specific tags.
	DT_HIOS = 0x6FFFFFFF, // End of environment specific tags.
	DT_LOPROC = 0x70000000, // Start of processor specific tags.
	DT_HIPROC = 0x7FFFFFFF, // End of processor specific tags.

	DT_RELACOUNT = 0x6FFFFFF9, // ELF32_Rela count.
	DT_RELCOUNT = 0x6FFFFFFA, // ELF32_Rel count.

	DT_FLAGS_1 = 0X6FFFFFFB, // Flags_1.
	DT_VERDEF = 0X6FFFFFFC, // The address of the version definition table.
	DT_VERDEFNUM = 0X6FFFFFFD, // The number of entries in DT_VERDEF.
	DT_VERNEED = 0X6FFFFFFE, // The address of the version Dependency table.
	DT_VERNEEDNUM = 0X6FFFFFFF, // The number of entries in DT_VERNEED.

	// Mips specific dynamic table entry tags.
		DT_MIPS_RLD_VERSION = 0x70000001, // 32 bit version number for runtime
	// linker interface.
		DT_MIPS_TIME_STAMP = 0x70000002, // Time stamp.
	DT_MIPS_ICHECKSUM = 0x70000003, // Checksum of external strings
	// and common sizes.
		DT_MIPS_IVERSION = 0x70000004, // Index of version string
	// in string table.
		DT_MIPS_FLAGS = 0x70000005, // 32 bits of flags.
	DT_MIPS_BASE_ADDRESS = 0x70000006, // Base address of the segment.
	DT_MIPS_MSYM = 0x70000007, // Address of .msym section.
	DT_MIPS_CONFLICT = 0x70000008, // Address of .conflict section.
	DT_MIPS_LIBLIST = 0x70000009, // Address of .liblist section.
	DT_MIPS_LOCAL_GOTNO = 0x7000000a, // Number of local global offset
	// table entries.
		DT_MIPS_CONFLICTNO = 0x7000000b, // Number of entries
	// in the .conflict section.
		DT_MIPS_LIBLISTNO = 0x70000010, // Number of entries
	// in the .liblist section.
		DT_MIPS_SYMTABNO = 0x70000011, // Number of entries
	// in the .dynsym section.
		DT_MIPS_UNREFEXTNO = 0x70000012, // Index of first external dynamic symbol
	// not referenced locally.
		DT_MIPS_GOTSYM = 0x70000013, // Index of first dynamic symbol
	// in global offset table.
		DT_MIPS_HIPAGENO = 0x70000014, // Number of page table entries
	// in global offset table.
		DT_MIPS_RLD_MAP = 0x70000016, // Address of run time loader map,
	// used for debugging.
		DT_MIPS_DELTA_CLASS = 0x70000017, // Delta C++ class definition.
	DT_MIPS_DELTA_CLASS_NO = 0x70000018, // Number of entries
	// in DT_MIPS_DELTA_CLASS.
		DT_MIPS_DELTA_INSTANCE = 0x70000019, // Delta C++ class instances.
	DT_MIPS_DELTA_INSTANCE_NO = 0x7000001A, // Number of entries
	// in DT_MIPS_DELTA_INSTANCE.
		DT_MIPS_DELTA_RELOC = 0x7000001B, // Delta relocations.
	DT_MIPS_DELTA_RELOC_NO = 0x7000001C, // Number of entries
	// in DT_MIPS_DELTA_RELOC.
		DT_MIPS_DELTA_SYM = 0x7000001D, // Delta symbols that Delta
	// relocations refer to.
		DT_MIPS_DELTA_SYM_NO = 0x7000001E, // Number of entries
	// in DT_MIPS_DELTA_SYM.
		DT_MIPS_DELTA_CLASSSYM = 0x70000020, // Delta symbols that hold
	// class declarations.
		DT_MIPS_DELTA_CLASSSYM_NO = 0x70000021, // Number of entries
	// in DT_MIPS_DELTA_CLASSSYM.
		DT_MIPS_CXX_FLAGS = 0x70000022, // Flags indicating information
	// about C++ flavor.
		DT_MIPS_PIXIE_INIT = 0x70000023, // Pixie information.
	DT_MIPS_SYMBOL_LIB = 0x70000024, // Address of .MIPS.symlib
	DT_MIPS_LOCALPAGE_GOTIDX = 0x70000025, // The GOT index of the first PTE
	// for a segment
		DT_MIPS_LOCAL_GOTIDX = 0x70000026, // The GOT index of the first PTE
	// for a local symbol
		DT_MIPS_HIDDEN_GOTIDX = 0x70000027, // The GOT index of the first PTE
	// for a hidden symbol
		DT_MIPS_PROTECTED_GOTIDX = 0x70000028, // The GOT index of the first PTE
	// for a protected symbol
		DT_MIPS_OPTIONS = 0x70000029, // Address of `.MIPS.options'.
	DT_MIPS_INTERFACE = 0x7000002A, // Address of `.interface'.
	DT_MIPS_DYNSTR_ALIGN = 0x7000002B, // Unknown.
	DT_MIPS_INTERFACE_SIZE = 0x7000002C, // Size of the .interface section.
	DT_MIPS_RLD_TEXT_RESOLVE_ADDR = 0x7000002D, // Size of rld_text_resolve
	// function stored in the GOT.
		DT_MIPS_PERF_SUFFIX = 0x7000002E, // Default suffix of DSO to be added
	// by rld on dlopen() calls.
		DT_MIPS_COMPACT_SIZE = 0x7000002F, // Size of compact relocation
	// section (O32).
		DT_MIPS_GP_VALUE = 0x70000030, // GP value for auxiliary GOTs.
	DT_MIPS_AUX_DYNAMIC = 0x70000031, // Address of auxiliary .dynamic.
	DT_MIPS_PLTGOT = 0x70000032, // Address of the base of the PLTGOT.
	DT_MIPS_RWPLT = 0x70000034  // Points to the base
	// of a writable PLT.
};

// DT_FLAGS values.
enum
{
	DF_ORIGIN = 0x01, // The object may reference $ORIGIN.
	DF_SYMBOLIC = 0x02, // Search the shared lib before searching the exe.
	DF_TEXTREL = 0x04, // Relocations may modify a non-writable segment.
	DF_BIND_NOW = 0x08, // Process all relocations on load.
	DF_STATIC_TLS = 0x10  // Reject attempts to load dynamically.
};

// State flags selectable in the `d_un.d_val' element of the DT_FLAGS_1 entry.
enum
{
	DF_1_NOW = 0x00000001, // Set RTLD_NOW for this object.
	DF_1_GLOBAL = 0x00000002, // Set RTLD_GLOBAL for this object.
	DF_1_GROUP = 0x00000004, // Set RTLD_GROUP for this object.
	DF_1_NODELETE = 0x00000008, // Set RTLD_NODELETE for this object.
	DF_1_LOADFLTR = 0x00000010, // Trigger filtee loading at runtime.
	DF_1_INITFIRST = 0x00000020, // Set RTLD_INITFIRST for this object.
	DF_1_NOOPEN = 0x00000040, // Set RTLD_NOOPEN for this object.
	DF_1_ORIGIN = 0x00000080, // $ORIGIN must be handled.
	DF_1_DIRECT = 0x00000100, // Direct binding enabled.
	DF_1_TRANS = 0x00000200,
	DF_1_INTERPOSE = 0x00000400, // Object is used to interpose.
	DF_1_NODEFLIB = 0x00000800, // Ignore default lib search path.
	DF_1_NODUMP = 0x00001000, // Object can't be dldump'ed.
	DF_1_CONFALT = 0x00002000, // Configuration alternative created.
	DF_1_ENDFILTEE = 0x00004000, // Filtee terminates filters search.
	DF_1_DISPRELDNE = 0x00008000, // Disp reloc applied at build time.
	DF_1_DISPRELPND = 0x00010000  // Disp reloc applied at run-time.
};

// DT_MIPS_FLAGS values.
enum
{
	RHF_NONE = 0x00000000, // No flags.
	RHF_QUICKSTART = 0x00000001, // Uses shortcut pointers.
	RHF_NOTPOT = 0x00000002, // Hash size is not a power of two.
	RHS_NO_LIBRARY_REPLACEMENT = 0x00000004, // Ignore LD_LIBRARY_PATH.
	RHF_NO_MOVE = 0x00000008, // DSO address may not be relocated.
	RHF_SGI_ONLY = 0x00000010, // SGI specific features.
	RHF_GUARANTEE_INIT = 0x00000020, // Guarantee that .init will finish
	// executing before any non-init
	// code in DSO is called.
		RHF_DELTA_C_PLUS_PLUS = 0x00000040, // Contains Delta C++ code.
	RHF_GUARANTEE_START_INIT = 0x00000080, // Guarantee that .init will start
	// executing before any non-init
	// code in DSO is called.
		RHF_PIXIE = 0x00000100, // Generated by pixie.
	RHF_DEFAULT_DELAY_LOAD = 0x00000200, // Delay-load DSO by default.
	RHF_REQUICKSTART = 0x00000400, // Object may be requickstarted
	RHF_REQUICKSTARTED = 0x00000800, // Object has been requickstarted
	RHF_CORD = 0x00001000, // Generated by cord.
	RHF_NO_UNRES_UNDEF = 0x00002000, // Object contains no unresolved
	// undef symbols.
		RHF_RLD_ORDER_SAFE = 0x00004000  // Symbol table is in a safe order.
};

// ElfXX_VerDef structure version (GNU versioning)
enum
{
	VER_DEF_NONE = 0,
	VER_DEF_CURRENT = 1
};

// VerDef Flags (ElfXX_VerDef::vd_flags)
enum
{
	VER_FLG_BASE = 0x1,
	VER_FLG_WEAK = 0x2,
	VER_FLG_INFO = 0x4
};

// Special constants for the version table. (SHT_GNU_versym/.gnu.version)
enum
{
	VER_NDX_LOCAL = 0,      // Unversioned local symbol
	VER_NDX_GLOBAL = 1,      // Unversioned global symbol
	VERSYM_VERSION = 0x7fff, // Version Index mask
	VERSYM_HIDDEN = 0x8000  // Hidden bit (non-default version)
};

// ElfXX_VerNeed structure version (GNU versioning)
enum
{
	VER_NEED_NONE = 0,
	VER_NEED_CURRENT = 1
};

#endif
